Christopher M. Springer

Electronic Transaction Clearing, Inc. operates as a brokerage and clearing company. The firm’s solutions include custody, execution, clearing and settlement solutions. The company was founded in 2007 and is headquartered in Los Angeles, CA.

ConvergEx, Inc. provides mission-critical proprietary software products. It provides products and services through two business segments: Investment Technologies and Investment Services. The Investment Technologies segment develops, markets and sells the company's proprietary software products, including workflow automation solutions, and technology-enabled services. The Investment Services segment utilizes many of the same proprietary software products and technology-enabled services. The company was founded on March 17, 2011 and is headquartered in New York, NY.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

Cowen Execution Services LLC provides brokerage services. The company was founded in 2002 and is headquartered in New York, NY.

ConvergEx Group LLC provides global brokerage and trading related services. The firm's services include commission management, trading, prime services, clearing, capital markets, independent research consulting, and FIX services. The company was founded in October 2006 and is headquartered in New York, NY.